i wrote "Imports System.Numerics" but it gives me an error

Staff Member

i want to manipulate complex numbers and i followed that link but when i typed
<span style="color:blue Imports</span> System.Numerics but it gives an error
http://msdn.microsoft.com/en-us/library/system.numerics.complex.aspx http://msdn.microsoft.com/en-us/library/system.numerics.complex.aspx
so how to overcome this problem? http://msdn.microsoft.com/en-us/library/system.numerics.complex.aspx